Step scooter



FIG. 1 is a perspective view of a step scooter showing my new design;

FIG. 2 is a left side view thereof of which the right side is a mirror image;

FIG. 3 is a front view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is rear view thereof; and,

FIG. 6 is a perspective view of the scooter in FIG. 1 shown with a seat and post.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a step scooter, as shown and described. 